20149805 (number)

20149805 is an odd 8-digits composite number following 20149804 and preceding 20149806. In scientific notation, it is written as 2.0149805 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 14596608 positive integers (up to 20149805) that are relatively prime to 20149805.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-nine thousand eight hundred five

Notation

Scientific notation 2.0149805 × 10^7
Engineering notation 2.0149805 × 10^6

Prime Factorization of 20149805

Prime Factorization 13 × 5 × 53 × 5849

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20149805
Product of the distinct prime numbers

The prime factorization of 20149805 is 13 × 5 × 53 × 5849. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 7, 84, 31, 269, 157, 8575, 6310, 10781, 30946, 829341, 652957, 7230824, 1356107, 88363946, 12572914, 389999330, 279406733, 2753549858, 8944860686

Basic calculations (n = 20149805)

Multiplication

n×y
n×2 40299610
n×3 60449415
n×4 80599220
n×5 100749025

Division

n÷y
n÷2 10074902.5
n÷3 6716601.6666667
n÷3 5037451.25
n÷5 4029961

Exponentiation

ny
n2 406014641538025
n3 8.1811158541361E+21
n4 1.6484788914325E+29
n5 3.3216528208981E+36

Nth Root

y√n
2√n 4488.8534170766
3√n 272.11779878126
4√n 66.998906088656
5√n 28.897093923389

Divisors of 20149805

1, 5, 13, 53, 65, 265, 689, 3445, 5849, 29245, 76037, 309997, 380185, 1549985, 4029961, 20149805

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20149804
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20149805 can be divided by 16 positive divisors. The sum of these divisors (counting 20149805) is 1, the average is 0.0625.

Base conversion 20149805

Base System Value
2 Binary 1001100110111011000101101
3 Ternary 1101220201100002
4 Quaternary 1030313120231
5 Quinary 20124243210
6 Senary 1555514045
8 Octal 114673055
10 Decimal 20149805
12 Duodecimal 68b8925
16 Hexadecimal 133762d
20 Vigesimal 65iea5
36 Base36 bzvot

Cryptographic Hash Functions

md5 2207c193f741ddfd1b2d918333003629
sha1 47ce456a89c8e05affb23663c035b0cba18981f9
sha256 1566ee9c42c60cca7964ca0df2c1bdb4bed03c889b556549ac9196249bdc0380
sha512 950deac561c735420f79bc057a01cc930da0c37463814cffb426b7a402d660737d6ef371bf58e74751ba1787d9fd7470397682bc14e0f3ec6636edc51363ff5d
ripemd-160 7575799bdd2d6d74039a4b0103efc880e3c4fd98

20149805 as geometric shapes

Circle

Radius = n
Diameter 40299610
Circumference 126604958.71853
Area 1.2755326151058E+15

Sphere

Radius = n
Volume 3.4268977954028E+22
Surface area 5.102130460423E+15
Circumference 126604958.71853

Square

Length = n
Perimeter 80599220
Area 406014641538025
Diagonal 28496127.510173

Cube

Length = n
Surface area 2436087849228150
Volume 8.1811158541361E+21
Space diagonal 34900486.022605

Equilateral Triangle

Length = n
Perimeter 60449415
Area 1.7580949694018E+14
Altitude 17450243.011303

Triangular Pyramid

Length = n
Surface area 1.7580949694018E+14
Volume 9.6415374968874E+20
Height 9498709.1700577